Wednesday, December 17, 2014

inertial forces and mechanical work

can you perform work against the centrifugal force? what about the Coriolis-force?

CQW wishes our readers a Merry Xmas and a happy New Year 2015, and we hope to welcome you back on the 14.Jan.2015. if you want to contribute to CQW, please drop us a mail at cosmologyquestionoftheweek["AT"]gmail["DOT"]com.

Wednesday, December 10, 2014

Eddington-limit for muons

the Eddington-limit is defined as the luminosity where gravity is balanced by radiation pressure. imagine now that an astrophysical object contains muons instead of electrons: would the Eddington-limit be higher or lower?

Wednesday, December 3, 2014

cosmic neutrinos in ICECUBE

CQW celebrates its third anniversary!

could you estimate how long one would need to wait for detecting a neutrino of the cosmic neutrino background in ICECUBE?